How To Fix N2M108 - Maintain the reservation mode

SAP Error Message - Details

• Message type: E = Error

• Message class: N2M - Global Trade: Item Category Management

• Message number: 108

• Message text: Maintain the reservation mode

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message N2M108 - Maintain the reservation mode ?

  The SAP error message N2M108, which states "Maintain the reservation mode," typically occurs in the context of materials management and inventory management within the SAP system. This error is related to the configuration of reservation modes for materials in the system.
  Cause:
  The error usually arises when the system is unable to find a valid reservation mode for the material in question. This can happen due to several reasons, including:
  
  Missing Configuration: The reservation mode for the material type or plant has not been defined in the system.
  Incorrect Material Master Data: The material master record may not have the necessary settings for reservations.
  User Authorization Issues: The user may not have the required permissions to maintain or view the reservation settings.
  
  Solution:
  To resolve the N2M108 error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Verify that the material type and plant settings are correctly configured, especially in the "MRP" and "Inventory Management" views.
  
  
  
  Maintain Reservation Mode:
  
  Use transaction code OMBE (or navigate through the menu: SPRO > Logistics > Material Management > Inventory Management > Reservations > Define Reservation Modes).
  Ensure that the reservation mode is defined for the relevant material type and plant combination.
  
  
  
  Review Configuration:
  
  If you have access to the configuration settings, check the settings for the reservation modes in the IMG (Implementation Guide).
  Make sure that the reservation mode is active and correctly linked to the relevant processes.
  
  
  
  User Authorizations:
  
  Ensure that the user encountering the error has the necessary authorizations to access and maintain reservation settings. This may require coordination with your SAP security team.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to material management and reservations for additional guidance.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), OMBE (Maintain Reservation Mode), and others related to material management.
  SAP Notes: Check for any SAP Notes related to this error message in the SAP Support Portal, as there may be specific patches or updates that address known issues.
  Training and Documentation: Consider reviewing training materials or documentation related to inventory management and reservations in SAP to better understand the configuration and processes involved.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in materials management.